Occupational Health and Industrial Hygiene Commons^™

Association Between Occupational Stress, Sleep Quality, And Premature Ejaculation Among Indonesian Information Technology Workers, Muhammad Faisal Ratman, Suryo Wibowo, Muhammad Ilyas, Retno Asti Werdhani, Dewi Yunia Fitriani

Occupational and Environmental Medicine Journal of Indonesia

Introduction Premature ejaculation (PE) is a common sexual dysfunction that significantly impacts quality of life. Occupational stress and poor sleep quality are hypothesized as risk factors, particularly among Information and Technology (IT) workers who experience unique occupational stressors. This study aimed to evaluate the proportion of PE, examine the influence of occupational stress and sleep quality on PE, and determine whether sleep quality mediates the relationship between occupational stress and PE among Indonesian IT workers.

Methods This cross-sectional study involved 89 married male IT workers who completed online questionnaires, including the Premature Ejaculation Diagnostic Tool (PEDT), Perceived Occupational Stress (POS) …

Proceedings Of The 18th Indonesian Occupational Medicine Update (Iomu) 2026 - Occupational Medicine Without Borders: Emerging Risks, Evolving Workforces, And Inclusive Collaboration, Indonesian Association Of Occupational Medicine Specialists (Perhimpunan Kedokteran Okupasi Indonesia / Perdoki)

Occupational and Environmental Medicine Journal of Indonesia

This Supplemental Issue of the Occupational and Environmental Medicine Journal of Indonesia (OEMJI) compiles the scientific abstracts presented at the 18th Indonesian Occupational Medicine Update (IOMU) 2026, convened in Surabaya, Indonesia, from 15 to 17 May 2026. The IOMU has matured into the most prominent annual scientific platform of the Indonesian occupational medicine community, hosted by the Indonesian Association of Occupational Medicine Specialists (Perhimpunan Kedokteran Okupasi Indonesia / PERDOKI). Since its inception, the conference has served as a meeting point where clinicians, academics, industrial hygienists, regulators, employers, and worker representatives gather to translate emerging scientific evidence into …

Proceeding Book Of The 17th Indonesian Occupational Medicine Updates (Iomu), Perdoki .

Occupational and Environmental Medicine Journal of Indonesia

Bali, Indonesia, 16th - 18th May 2025

The Correlation Between 25(Oh)D, Blood Lead Levels, And Delta-Aminolevulinic Acid Dehydratase Activity Among Indonesia Male Workers, Ratih Fadhillah, Muhammad Ilyas, Liem Jen Fuk, Levina Chandra Khoe, Muchtaruddin Mansyur

Occupational and Environmental Medicine Journal of Indonesia

Background Lead exposure disrupts the heme synthesis pathway by modifying the activity of Delta-Aminolevulinic Acid Dehydratase (ALAD), contributing to oxidative stress. Vitamin D has been suggested as an antioxidant to influence oxidative balance, but evidence regarding its association with ALAD activity in lead-exposed populations remains limited. This study aimed to analyze the associations between blood lead levels (BLL), serum 25-hydroxyvitamin D [25(OH)D], ALAD activity, and the 25(OH)D/BLL ratio among Indonesian male workers.

Methods A cross-sectional study was conducted among 90 male workers exposed to lead as part of either their occupation or living environment in Java, Indonesia. Serum 25(OH)D, BLL …

Rare Manifestation Of Scapular Cutaneous Larva Migrans Infection Among Sand Porters In Warm Climate: A Case Report, Prio Hangudi Sampurno, Tri Wisesa Soetisna

Occupational and Environmental Medicine Journal of Indonesia

Background Cutaneous larva migrans is a serpiginous helminthic infection common among certain occupations dealing with contaminated soil especially in warm climate. Most common predilections include the feet, legs, and buttocks with only a fraction of cases found on the trunk and upper extremities.

Case Presentation A rare scapular cutaneous larva migrans manifestation on a thirty-six years old sand porter with high occupational exposure was described. Physical examination revealed progressive pruritic and warm rash in a serpiginous pattern on the left shoulder.

Results Diagnosis was established based on characteristic serpiginous rash physical findings supported by history of contact. This case needed …

Return To Work After Percutaneous Coronary Intervention In Employee With Metabolic Comorbidities: An Evidence-Based Case Report, Bramantyo Eko Wahyudi Mr, Levina Khoe

Occupational and Environmental Medicine Journal of Indonesia

Background This evidence-based case report examines whether metabolic comorbidities independently predict return to work (RTW) after percutaneous coronary intervention (PCI) for myocardial infarction. A 52-year-old male senior manager with type 2 diabetes, hypertension, dyslipidaemia, and central obesity underwent PCI and required structured occupational assessment.

Methods A systematic literature search identified five eligible studies—one national registry cohort, three prospective cohort studies, and one narrative systematic review—critically appraised using Oxford Centre for Evidence-Based Medicine criteria.

Results Metabolic comorbidities showed consistent directional associations with reduced RTW probability in bivariate analyses and independently predicted longterm labour-market exit. However, in multivariate models across three of …

Factors Associated With The Atherogenic Index Of Plasma Among Workers At A National Respiratory Hospital In Jakarta, Muhammad Abror Rizani Fahmi, Herqutanto Herqutanto, Iqbal Mochtar, Dewi Yunia Fitriani, Marsen Isbayuputra, Resultanti Resultanti, Ariningsih Ariningsih

Occupational and Environmental Medicine Journal of Indonesia

Background Cardiovascular diseases (CVD) represent the primary cause of mortality globally. The atherogenic index of plasma (AIP) can predict the risk of CVD more accurately than other indices. Hospital workers are at risk of developing CVD. There are several factors that can influence the AIP. No studies have specifically investigated these associations in Indonesia, particularly regarding the AIP in hospital workers. This study aims to determine factors associated with the AIP among workers at a national respiratory hospital in Jakarta.

Methods This cross-sectional study collects data from the medical check-up records of workers at Persahabatan Hospital in 2024, who met …

Fitness To Work Evaluation In A Combined Physical And Office Working Activity With Piriformis Syndrome: A Case Report, Arif Prasetya, Nuri Purwito Adi

Occupational and Environmental Medicine Journal of Indonesia

Background Piriformis syndrome (PS) is a neuromuscular disorder with significant impact on workforce productivity. This case report presents a comprehensive evaluation of fitness for work and job modification strategies for a patient with PS in a combined physical and sedentary working environment. A 44-year-old male medical facility supervisor presented with left buttock pain, radiating to the left leg, diagnosed with left gluteal piriformis syndrome. Despite undergoing multiple conservative therapies by Physical Medicine and Rehabilitation Specialist, the patient showed minimal improvement.

Methods A seven-step fitness for work assessment approach was implemented following Indonesian Association of Occupational Medicine Specialists guidelines. The evaluation …

From Medical Check-Ups To Risk-Based Health Governance: Reframing Fitness-For-Work And Preventive Health In Modern Health Systems, Kasyunnil Kamal, Iqbal Mochtar

Occupational and Environmental Medicine Journal of Indonesia

-

Burden Of Musculoskeletal Disorders, Associated Risk Factors And Perceptions On Prevention Among Airport Baggage Handlers, Ashish A. Trivedi Md, Alice Lai, Mahmud Tasim, Nik Tuah

Occupational and Environmental Medicine Journal of Indonesia

Background Airport baggage handlers are involved in manual handling of heavy loads, predisposing them to the risk of developing work-related musculoskeletal disorders (MSDs). This study aimed to determine the burden of self-reported MSDs and their associated factors among airport baggage handlers in Brunei Darussalam.

Methods In this cross-sectional study, we used a self-administered questionnaire to collect demographic and work profile data. We also incorporated the Nordic Musculoskeletal Questionnaire to assess body-part MSD symptoms over a 12-month period. Baggage handlers’ perceptions of the likelihood of specific work tasks related to MSDs and of preventative measures were also sought.  The data were …

Health Risk Assessment (Hra) In Home-Based Ironing Businesses: Risk Identification, Intervention, And Evaluation In Johar Baru District, Central Jakarta, Heru Alfares, Irawadi Darmaputra, Marsen Isbayuputra, Muhammad Ilyas

Occupational and Environmental Medicine Journal of Indonesia

Background Home-based ironing businesses in Johar Baru District, Central Jakarta, are part of the informal sector, vulnerable to health risks due to suboptimal working conditions. This study aims to identify, assess, and control health risks through a Health Risk Assessment (HRA) approach.

Methods Research methods include direct observation, interviews, environmental measurements, health screenings, and ergonomic surveys using the BRIEF (Baseline Risk Identification of Ergonomic Factor) instrument.

Results The results indicate that the temperature in the ironing area reaches 33°C, exceeding the comfort standard, and that 80% of workers have dark yellow urine, indicating a high risk of dehydration. Risk assessment …

Returning To Work On Chef With Graves’ Disease: A Case Report, Izzatul Abadiyah, Dewi Sumaryani Soemarko

Occupational and Environmental Medicine Journal of Indonesia

Background Graves’ disease has adverse effects on quality of life, because of somatic psychiatric symptoms and an inability to work. Chefs face many occupational hazards that can aggravate certain medical conditions, worsen the disease, and pose safety risks at work. This case report aims to assess the returning-to-work evaluation and program for a chef with Graves’ disease.

Case Description A forty-seven-year-old Indonesian male who was diagnosed with Graves’ disease from characteristic clinical features and biochemical abnormalities was admitted to the hospital with shortness of breath. TSH concentration was 0.001mU/L, FT4 concentration was 2.85 ng/dL, hemoglobin level was 10.6 g/dL, and …

Ageing And Occupational Medicine In Indonesia: A Timely Integration For An Inclusive Workforce, Iqbal Mochtar

Occupational and Environmental Medicine Journal of Indonesia

-

Scoring System For Screening Fitness To Work For Offshore And Onshore Remote Area Worker, Kasyunnil Kamal

Occupational and Environmental Medicine Journal of Indonesia

Background: About 10-15% of medical examinations of workers at upstream oil and gas companies are not conducted properly. In some cases, workers die at worksites. Many doctors carrying out the assessment lack the competency to assess occupational risks. In this study, we developed a scoring system for ‘fitness for work’ assessment, which can be used by trained doctors.

Methods: Diagnostic testing was done with comparing the results of the determination screening fitness for work using a scoring system with the determine fitness for work results by Occupational Medicine Specialist as a gold standard in the same group. The entire 607 …

The Effect Of Blue Light Filter Lens Glasses On The Occurrence Of Asthenopia Symptoms In Visual Display Terminal Users, Arif Hening Mustikaningrum, Dewi Sumaryani Soemarko, Indah Suci Widyahening

Occupational and Environmental Medicine Journal of Indonesia

The widespread use of Visual Display Terminals (VDTs) is associated with visual and musculoskeletal complaints, particularly Asthenopia, which may reduce productivity. A 32-year-old female financial worker presented with eye discomfort, including sore eyes, blurred vision, dizziness, and twitching on her left temple, particularly during extended computer use. The symptoms were relieved with rest. Most VDTs now use Light Emitting Diodes, which emit more blue light than LCDs and may cause eye fatigue and disrupt sleep. Currently, blue light filter lenses are available in the market, however, further study of existing scientific publications is necessary to ensure the effectiveness of blue …

The Effect Of Computer-Mediated Communication On Occupational Positive Mental Health Mediated By Work-Family Enrichment In Workers In Remote Areas: Analysis Using Structural Equation Modelling, Herlando Junanta, Suryo Wibowo, Herqutanto ., Dewi Yunia Fitriani, Titis Mariyamah, Dewi Sumaryani Soemarko

Occupational and Environmental Medicine Journal of Indonesia

Objective: This study aims to examine the effect of computer-mediated communication (CMC) on occupational positive mental health (OPMH) mediated by work-family enrichment (WFE) in workers in remote areas using the CMC, OPMH-40, and WFE questionnaires. Method: The latent variables in this study are CMC, OPMH, and WFE. The observed variables include all items from CMC, OPMH, and WFE. The sample technique used was total sampling, revealing that 349 workers in the project department of an oil and gas company located in the West Papua Province of Indonesia expressed their willingness to participate as research participants. To test research hypotheses using …

The Importance Of Indonesian Workers’ Psychosocial Health In Demographic Bonus, Dewi S. Soemarko

Occupational and Environmental Medicine Journal of Indonesia

-

Acceleration Return To Work Process After Accidents In The Manufacturing Industry – Literature Review, Lubna Sadat, Nurul Hidayah, Dede Iskandar

Occupational and Environmental Medicine Journal of Indonesia

The manufacturing industry typically requires capacities on a large scale, increasing the risk of workplace accidents and illnesses. Thus, a stringent Occupational Health and Safety (OHS) guideline is needed, notably through early Return to Work (RTW) policies. In this review we explore how the acceleration of the RTW process influences employees, factories, and policy after accidents. Using a literature review approach, this research collected the data and information from from books, journals, and articles discussing the topic of OHS management in domestic and overseas factories.Acceleration of RTW included gradual task modifications, alternative tasks, and workstation adjustments to facilitate workers’ …

N-Acetyl-S-(N-Methylcarbamoyl)-Cysteine (Amcc) As Cumulative Biomonitoring Of Dimethylformamide Exposure Among Industrial Workers, Angga Arifianto, Muhammad Ilyas, Herqutanto .

Occupational and Environmental Medicine Journal of Indonesia

Background: N,N-Dimethylformamide (DMF) is an aliphatic amide which is miscible with water and a majority of organic liquids. Due to its amphiphilic properties, it is a widely used industrial solvent, especially for polymers. DMF has been consistently hepatotoxic, inducing effects on the liver at lowest concentrations or doses. N-acetyl-S-(N-methylcarbamoyl)cysteine (AMCC) which is one major metabolites of DMF, found in urine after DMF exposure of the whole workweek.

Objective: To determine the way of AMCC can be use as biomarker of DMF exposure and the best possible sampling time.

Method: This study conducted a literature search using evidence-based databases …

Abstract Book Of The 16th Indonesian Occupational Medicine Update (Iomu)

Occupational and Environmental Medicine Journal of Indonesia

Jakarta, Indonesia, 2nd March to 4th March 2024

Ratification Status Of International Labour Organization (Ilo) Fundamental Conventions On Occupational Safety And Health, Ashish A. Trivedi, Alice Lai

Occupational and Environmental Medicine Journal of Indonesia

Background: A safe and healthy work environment is key to sustainable development and in view of this, in June 2022, the International Labour Organization (ILO) declared this to be a fundamental principle and right at work, and recognised the Occupational Safety and Health Convention, 1981 (No. 155) and the Promotional Framework for Occupational Safety and Health Convention, 2006 (No. 187) as fundamental Conventions. The objective of this study was to assess the global as well as regional ratification status for ILO Conventions 155 and 187 among member countries, one year after their declaration as fundamental conventions.

Methods: Updated ratification status …

Prognosis Of Covid-19 On Workers With History Of Asthma: An Evidence-Based Case Report, Parmitasari Parmitasari, Dewi Yunia Fitriani, Indah S. Widyahening

Occupational and Environmental Medicine Journal of Indonesia

Background. As the COVID-19 pandemic occurs, those with asthma were thought to have an increased risk of infection. Question arisen whether special preparation for severe clinical outcomes might be needed for remote site workers. Method. A literature search was conducted through PubMed, Scopus and ProQuest databases, as well as hand searched. The inclusion criteria were systematic review, cohort study, retrospective study, cross sectional study, COVID-19, asthma, and ICU. Then, they were critically appraised based on Center of Evidence-Based Medicine, Oxford University, Critical Appraisal for Prognostic Studies and Systematic Reviews. Result. Three systematic review studies and three retrospective cohort studies were …

The Effectiveness Of Education Through Web-Based Seminar In Increasing Knowledge About The Early Detection And Reporting Of Occupational Diseases, Keyne Christa Monintja, Dewi Sumaryani Soemarko, Dewi Yunia Fitriani, Herqutanto Herqutanto, Suryo Wibowo

Occupational and Environmental Medicine Journal of Indonesia

Background: In 2022, the Indonesian Occupational Medicine Association (IOMA) collaborated with oil and gas companies and conducted a web-based seminar (webinar) to enable participants to recognize occupational disease earlier and enhance reporting in companies. We aimed to investigate the effectiveness of the webinar in increasing the intended knowledge.

Method: The webinar was separated into three batches, with different participants per batch. Using a one-group pretest-posttest design, we utilized secondary data from IOMA. The effectiveness of the webinar was determined by participants' satisfaction and knowledge as measured by pre-test and post-test. After performing item analysis, we removed poor discriminating items in …

Factors Affecting Superoxide Dismutase Activity In Railway Workers In Jakarta, Indonesia, Vera Winata, Muhammad Ilyas, Aria Kekalih, Suryo Wibowo, Muchtaruddin Mansyur

Occupational and Environmental Medicine Journal of Indonesia

Introduction. Railway workers are exposed to many occupational health risk factors that may cause oxidative stress. Superoxide dismutase (SOD) activity is one of the response biomarkers of oxidative stress.

Methods. A cross-sectional study was conducted from July-October 2021. Eighty-four participants were included in this study. Data about participants’ characteristics, physical activity intensity as measured by the Global Physical Activity Questionnaire (GPAQ) version 2, and stress levels as measured by Holmes-Rahe Stress Inventory were collected using Google Forms. The physical examination yielded data on blood pressure, ear condition, and waist circumference. Blood Superoxide dismutase activity and HbA1c levels were determined using …

Validity And Reliability Of The Indonesian Version Of Expanded Nursing Stress Scale (Enss) As A Job-Stress Assessment Tool For Nurses, Hasto Harsono, Herqutanto Herqutanto, Suryo Wibowo, Aria Kekalih, Astrid Sulistomo

Occupational and Environmental Medicine Journal of Indonesia

ABSTRACT

Background: Job stress is a serious health problem in the 21st century because of its high incidence and impact. Nurses are known as a profession that has high risks of stress, has distinctive characteristics, and hence requires a work stress assessment instrument that suits its peculiarities. The Expanded Nursing Stress Scale (ENSS) is a nurse-specific stress assessment instrument that has high validity and reliability (Cronbach's alpha = 0.96) and is widely used in many countries but is not yet available in Indonesian. This study aims to obtain the Indonesian version of ENSS and evaluate its reliability and validity.

Method: …

The Association Between Mental Workload And Nonspecific Chronic Low Back Pain Among Operators Of An On Shore Oil And Gas Company In South Sumatera, Ardi Artanto, Suryo Wibowo, Nuri Purwito Adi

Occupational and Environmental Medicine Journal of Indonesia

Background: Work location influences the proportion of operators with low back pain (LBP) at a South Sumatera onshore oil and gas company. This study aimed to determine the prevalence of nonspecific chronic LBP among the company's operators, as well as the association between quantitative and qualitative mental workload and nonspecific chronic LBP.

Methods: This study was cross-sectional in design, with 96 samples collected through purposive sampling. Questionnaires and physical examinations were used to collect data.

Results: Nonspecific chronic LBP was found in 32.3 percent of people. According to the multivariate analysis, moderate-heavy qualitative mental workload (OR: 5.14; 95 percent CI: …

Psychosocial Factors In The Workplace, Suryo Wibowo

Occupational and Environmental Medicine Journal of Indonesia

-

Reaction Time Analysis On Female Workers With A Night Shift Work System At A Textile Factory In Sumedang: A Quasi-Experimental Study, Sang Ketut Suratna, Liem Jen Fuk, Dian Kusumadewi

Occupational and Environmental Medicine Journal of Indonesia

Abstract

Introduction. Shift work is a common work system in textile factories. The shift system affects workers’ diet and nutritional needs. Malnutrition has a high potential in causing fatigue. Thus, additional food recommendations and nutritional education for this population are needed. Linear Programming (LP) can be used to create a Food Based Recommendation (FBR) for textile industry owners who employ female workers with a shift system. Local food ingredients can be used to optimize nutritional content.

Objective. To analyze the effect of additional food recommendations on reaction time in female night shift workers.

Methods. This study analyzed the diet …

Correlation Of Plasma Melatonin Concentration And Alertness Level Among Female Nurses In Jakarta Indonesia, Andreas Kresna, Liem Jen Fuk, Indah Suci Widyahening, Dewi Sumaryani Soemarko, Dewi Yunia Fitriani

Occupational and Environmental Medicine Journal of Indonesia

Background

Working in shift especially night shift could alter alertness level, increase fatigue, and working accident. One of the factors that affect the circadian rhythm were melatonin. Melatonin was a hormone that regulate the wake and sleep cycle that have an impact on alertness levels. This study was aimed to find correlation between plasma melatonin and alertness level.

Methods

A cross-sectional study was conducted on 40 female night shift nurses. Individual characteristics were obtained by self-administered questionnaire. Plasma melatonin concentrations and alertness level was collected twice at night time (11 pm – 00 am) and at morning (7 am − …

Brominated Flame Retardants: A Literature Review Of The Toxicity Mechanisms, Clinical Manifestations, And Current Treatments, Yacobus Christian Prasetyo, Eti Nurwening Sholikhah

Occupational and Environmental Medicine Journal of Indonesia

Brominated flame retardants (BFRs) are organohalogen compounds that can inhibit fire formation and delay its spread in manufacturing materials. BFRs are known to be toxic for the environment and humans. BFRs could persist for years prolonging potential exposure and toxicity to living beings. Indonesia had begun to reduce the use, even though some of toxic BFRs are still illegally circulating. This review aims to describe some aspects of BFRs toxicity including the mechanism, its clinical manifestations, and the current possible treatments. Toxicity after BFRs exposure includes endocrine, neurodevelopmental, and genotoxicity. The toxicity is manifested into some clinical conditions such as …